Which of the Following Is an Advantage of the Group

Which of the following is an advantage of the group study approach in neuropsychology, compared to the individual case study approach?

A) A group study allows a cognitive process to be related to particular underlying brain structures with greater reliability.
B) A group study can employ the methods of cognitive psychology.
C) A group study avoids the problem of compensatory strategies.
D) A group study allows neuroimages to be produced.